10833 2nd Avenue Gulf Avenue, Marathon, FL 33050

$898,000

Property Type: Residential Bedrooms: 5 Baths: 3 Square Footage: 2,111 Lot Size (sq. ft.): 4,428 Status: Active

Current Price: $898,000 List Date: 8/03/2026 Last Modified: 9/28/2026

Overview

Description

LETTER OF DETERMINATION WITH 3 RIGHTS | SELLER FINANCING | INCOME-PRODUCING TRIPLEX IN MARATHON Building rights are the scarcest asset in the Florida Keys, and this property comes with a Letter of Determination confirming 3 rights. That makes it an opportunity to hold, improve, or reposition a triplex in the Middle Keys with the entitlements already documented. Seller financing is available: $500,000 down over a 5-year term at a competitive rate, a real advantage in today's rate environment. The Property: Three fully renovated units, all currently leased: Unit 1: 2BR/1BA, spacious layout, modern open-concept interior Unit 2: 2BR/1BA, fully renovated Unit 3: Efficiency with a well-equipped kitchenette, ideal for a single tenant or short-term renter Tenants are on flexible month-to-month leases, which gives a buyer immediate cash flow and room to change course later. Ample on-site parking keeps the property easy to manage. Location: In the heart of Marathon, minutes ... (Read more)

Listing Details MLS# 620847

Location, Tax & Legal

Street #: 10833
Street Name: 2nd Avenue Gulf
Street Suffix: Avenue
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Key Colony Sub (53.0)
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
City: MARATHON
Off Shore Island: No
Mile Marker: 53
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1411426
Parcel #: 00333710-000000
Zoning: RM - Residential Medium
Deed Restrictions: No
Legal: LT 5 KEY COLONY SUBDIVISION NO 1 KEY VACA PB3-107 OR48-199 OR174-200 OR950-389 OR2650-1282 OR2810-827
Taxes: 6477.69
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Florida Keys
As is Rght to Inspct: Yes
Species List: No

General Property Description

Realtor.COM Type: Multi-family
Style: Multi-Units
Waterfront: No
Pool: No
Year Built: 1959
Lot SqFt: 4428
Lot Sqft Source: Property Data Card
Acres: 0.1
Living Apx SqFt: 2111
SqFt Source: Property Data Card
Total Bedrooms: 5
Full Baths: 3
Total Baths: 3
Rentals Allowed: Yes
Min Rental Days: 7
Control Depth: 0
Total Units: 0

Association Info

Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0

Building Style

Above Flood: Yes

More Information

Remarks & Misc

Remarks – Consumer: LETTER OF DETERMINATION WITH 3 RIGHTS | SELLER FINANCING | INCOME-PRODUCING TRIPLEX IN MARATHON Building rights are the scarcest asset in the Florida Keys, and this property comes with a Letter of Determination confirming 3 rights. That makes it an opportunity to hold, improve, or reposition a triplex in the Middle Keys with the entitlements already documented. Seller financing is available: $500,000 down over a 5-year term at a competitive rate, a real advantage in today's rate environment. The Property: Three fully renovated units, all currently leased: Unit 1: 2BR/1BA, spacious layout, modern open-concept interior Unit 2: 2BR/1BA, fully renovated Unit 3: Efficiency with a well-equipped kitchenette, ideal for a single tenant or short-term renter Tenants are on flexible month-to-month leases, which gives a buyer immediate cash flow and room to change course later. Ample on-site parking keeps the property easy to manage. Location: In the heart of Marathon, minutes from shops, restaurants, and everything the Middle Keys lifestyle offers. Who It's For: Investors building a rental portfolio, or an owner-occupant who wants to live in one unit and let the other two help cover the cost of ownership. Schedule your private showing today. Properties with documented building rights and owner financing don't come along often in Marathon.

Fee Includes

None: Yes

Dockage

None: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Dryer: Yes
Microwave: Yes
Oven: Yes
Refrigerator: Yes
Washer: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Wall/Window Unit(s): Yes

Waterfront

None: Yes

Waterview

No Waterview: Yes

Windows/Doors

Impact Rstnce Window: Yes

Construction

Concrete: Yes

Land Size

Less Than 1/4 Acre: Yes

Terms

Seller Finance Psble: Yes

Utilities

FKAA: Yes

Roof

Other Roof: Yes

Accessibility Feat

Parking: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: None Waterview: No Waterview Dockage: None Cooling: Ceiling Fans(s); Wall/Window Unit(s) Utilities: FKAA Appliances: Dishwasher; Dryer; Microwave; Oven; Refrigerator; Washer Accessibility Feat: Parking Construction: Concrete Roof: Other Roof Pets: Pets Allowed Land Size: Less Than 1/4 Acre Terms: Seller Finance Psble

Listing Office: Coldwell Banker Schmitt Islamorada

Last Updated: September - 28 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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